0.0-14.0 pH Digital PH Meter Tester Aquarium Pool Hydroponic Water Monitor 0.1pH

Description

TECHTONGDA 0.0-14.0 pH Digital PH Meter Tester Aquarium Pool Hydroponic Water Monitor 0.1 pH
Note: Without battery!!!
Excellent meter, very accurate and durable.
With protective plastic case and calibration screws.
An ideal instrument for aquarium, fishing industry, swimming pool, school laboratory, food & beverage etc.
In addition, you must calibrate this tester whenever the following happens:
● If the tester was used or lay aside long time; recalibrate it
● It was used too often; recalibrate it
● Need High Accuracy. recalibrate it
● Note: You will Need calibrate after you get it.
*
Measuring pH Range: 0.0 - 14.0 pH
*
Resolution: 0.1 pH
*Accuracy: ±0.1 pH (at 20°C/68°F), ±0.2 pH
*Operating Temperature: 0 - 50°C (32 - 122°F)
*Calibration: Manual, 1 point
*Relative Humidity: <95%
*Life: Approx.700 hours of use
*Size: 146mm x 28mm  (5.74x1.1")
*Trimming: By potentiometer
*Battery: Need 2*1.5v (LR44 button battery)
*Net Weight: Approx. 57g (after installed batteries)
Item Include:
1 x Digital PH Meter Tester Pen
1 x Calibration Adjustment Screwdriver
1 x User Instruction Manual (English)
On Nov 21, 2023 at 19:47:28 PST, seller added the following information: